圆形冷弯空心型钢重量
标准:GB/T 6728-2017 结构用冷弯空心型钢
外径D | 允许偏差 | 壁厚t | 截面面积 | 理论重量 | | 外径D | 允许偏差 | 壁厚t | 截面面积 | 理论重 | mm | mm | mm | cm2 | (kg/m) | mm | mm | mm | A/cm2 | (kg/m) | 21.3
(21.3)
| ±0.5 | 1.2 | 0.76 | 0.59 | 114
(114.3)
| ±1.15 | 4 | 13.82 | 10.85 | 1.5 | 0.93 | 0.73 | 5 | 17.12 | 13.44 | 1.75 | 1.07 | 0.84 | 6 | 20.36 | 15.98 | 2 | 1.21 | 0.95 | 140
(139.7)
| ±1.40 | 4 | 17.09 | 13.42 | 2.5 | 1.48 | 1.16 | 5 | 21.21 | 16.65 | 3 | 1.72 | 1.35 | 6 | 25.26 | 19.83 | 1.2 | 0.97 | 0.76 | 165
(168.3)
| ±1.65 | 4 | 20.23 | 15.88 | 1.5 | 1.19 | 0.94 | 5 | 25.13 | 19.73 | 26.8
(26.9)
| ±0.5 | 1.75 | 1.38 | 1.08 | 6 | 29.97 | 23.53 | 2 | 1.56 | 1.22 | 8 | 39.46 | 30.97 | 2.5 | 1.91 | 1.5 | 219.1
( 219.1)
| ±2.20 | 5 | 33.6 | 26.40 | 3 | 2.24 | 1.76 | 6 | 40.17 | 31.53 | 33.5
(33.7)
| ±0.5 | 1.5 | 1.51 | 1.18 | 8 | 53.10 | 41.6 | 2 | 1.98 | 1.55 | 10 | 65.70 | 51.6 | 2.5 | 2.43 | 1.91 | 273
(273)
| ±2.75 | 5 | 42.1 | 33.0 | 3 | 2.87 | 2.26 | 6 | 50.3 | 39.5 | 3.5 | 3.29 | 2.59 | 8 | 66.6 | 52.3 | 4 | 3.71 | 2.91 | 10 | 82.6 | 64.9 | 42.3
(42.4)
| ±0.5 | 1.5 | 1.92 | 1.51 | 325
(323.9)
| ±3.25 | 5 | 50.3 | 39.5 | 2 | 2.53 | 1.99 | 6 | 60.1 | 47.2 | 2.5 | 3.13 | 2.45 | 8 | 79.7 | 62.5 | 3 | 3.7 | 2.91 | 10 | 99.0 | 77.7 | 4 | 4.81 | 3.78 | 12 | 118.0 | 92.6 | 48
(48.3)
| ±0.5 | 1.5 | 2.19 | 1.72 | 355.6
(355.6)
| ±3.55 | 6 | 65.9 | 51.7 | 2 | 2.89 | 2.27 | 8 | 87.4 | 68.6 | 2.5 | 3.57 | 2.81 | 10 | 109.0 | 85.2 | 3 | 4.24 | 3.33 | 12 | 130.0 | 101.7 | 4 | 5.53 | 4.34 | 406.4
(406.4)
| ±4.10 | 8 | 100 | 78.6 | 5 | 6.75 | 5.3 | 10 | 125 | 97.8 | 60
(60.3)
| ±0.6 | 2 | 3.64 | 2.86 | 12 | 149 | 116.7 | 2.5 | 4.52 | 3.55 | 457
(457)
| ±4.6 | 8 | 113 | 88.6 | 3 | 5.37 | 4.22 | 10 | 140 | 110 | 4 | 7.04 | 5.52 | 12 | 168 | 131.7 | 5 | 8.64 | 6.78 | 508
(508)
| ±5.10 | 8 | 126 | 98.6 | 75.5
(76.1)
| ±0.76 | 2.5 | 5*73 | 4.5 | 10 | 156 | 123 | 3 | 6.83 | 5.36 | 12 | 187 | 146.8 | 4 | 8.98 | 7.05 | 610 | ±6.10 | 8 | 151 | 118.8 | 5 | 11.07 | 8.69 | 10 | 189 | 148.0 | 88.5
(88.9)
| ±0.90 | 3 | 8.06 | 6.33 | 12.5 | 235 | 184.2 | 4 | 10.62 | 8.34 | 16 | 299 | 234.4 | 5 | 13.12 | 10.3 |
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